US3270338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Identification system
Assignee: General Electric Co
•
Filing: 1961-03-24
•
Granted: 1966-08-30
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Robert L Watters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:21
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04; B61L25/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN COMBINATION, AN UNPOWERED CODED STATION; AN INTERROGATING STATION; MEANS ASSOCIATED WITH SAID INTERROGATING STATION FOR TRANSMITTING AN INTERROGATING SIGNAL CARRYING SUFFICIENT POWER TO COMPLETELY OPERATE SAID UNPOWERED CODED STATION, SAID UNPOWERED CODED STATION INCLUDING, (A) RECEIVER MEANS FOR RECEIVING SAID INTERROGATING SIGNAL, (B) PULSE TRAIN GENERATION MEANS FOR DEVELOPING A PREDETERMINED NUMBER OF PULSES SPACED IN TIME IN RESPONSE TO THE APPLICATION OF SAID RECEIVED INTERROGATING SIGNAL, (C) PULSE SELECTION MEANS FOR ARRANGING SAID PULSES TO FORM A CODED GROUP OF TIME SPACED PULSES REPRESENTATIVE OF SAID CODED STATION, (D) AND TRANSMITTER MEANS FOR TRANSMITTING SAID CODED PULSE GROUP, SAID CODED STATION BEING ENERGIZED AND RENDERED OPERATIVE UPON RECEIPT OF AND ONLY FROM THE POWER IN SAID INTERROGATING SIGNAL; RECEIVER MEANS ASSOCIATED WITH SAID INTERROGATING STATION FOR RECEIVING SAID CODED GROUP OF TIME SPACED PULSES; MEANS FOR PRODUCING A TIME-SYNCHRONIZED REFERENCE GROUP OF TIME SPACED PULSES; AND MEANS ALSO ASSOCIATED WITH SAID INTERROGATING STATION FOR COINCIDENCE-GATING SAID RECEIVED CODED PULSE GROUP WITH SAID TIME SYNCHRONIZED REFERENCE GROUP OF TIME SPACED PULSES.
Claim 2
Dependent Claim
172 words
IN COMBINATION, AN UNPOWERED CODED STATION; AN INTERROGATING STATION; MEANS ASSOCIATED WITH SAID INTERROGATING STATION FOR TRANSMITTING AN INTERROGATING SIGNAL CARRYING SUFFICIENT POWER TO COMPLETELY OPERATE SAID UNPOWERED CODED STATION, SAID UNPOWERED CODED STATION INCLUDING, (A) RECEIVER MEANS FOR RECEIVING SAID INTERROGATING SIGNAL, (B) PULSE TRAIN GENERATION MEANS FOR DEVELOPING A PREDETERMINED NUMBER OF PULSES SPACED IN TIME IN RESPONSE TO THE APPLICATION OF SAID RECEIVED INTERROGATING SIGNAL, (C) PULSE SELECTION MEANS FOR ARRANGING SAID PULSES TO FORM A CODED GROUP OF TIME SPACED PULSES REPRESENTATIVE OF SAID CODED STATION, (D) AND TRANSMITTER MEANS FOR TRANSMITTING SAID CODED PULSE GROUP, SAID CODED STATION BEING ENERGIZED AND RENDERED OPERATIVE UPON RECEIPT OF AND ONLY FROM THE POWER IN SAID INTERROGATING SIGNAL; RECEIVER MEANS ASSOCIATED WITH SAID INTERROGATING STATION FOR RECEIVING SAID CODED GROUP OF TIME SPACED PULSES; MEANS FOR PRODUCING A TIME-SYNCHRONIZED REFERENCE GROUP OF TIME SPACED PULSES; AND MEANS ALSO ASSOCIATED WITH SAID INTERROGATING STATION FOR COINCIDENCE-GATING SAID RECEIVED CODED PULSE GROUP WITH SAID TIME SYNCHRONIZED REFERENCE GROUP OF TIME SPACED PULSES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |